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Category:SFDef
Recent Related Changes
Topics recently changed in SFDef (category):
Recent Topics with Comments
Categories[edit]
Subcategories
This category has the following 41 subcategories, out of 41 total.
R
S
U
Pages in category "SFDef"
The following 191 pages are in this category, out of 191 total.
A
- AI
- AI (SF character)
- AI character
- Alderson disk
- Alien (SF character)
- Alien (trope)
- Alien civilization
- Alien conquest (genre)
- Alien invasion (genre)
- Alien race
- Alternate history (genre)
- Android
- Ansible
- Antigravity
- Apocalyptic science fiction (genre)
- Arcology
- Artificial gravity
- Artificial intelligence
- Asimov's three kinds of science fiction
B
C
K
M
P
Q
R
S
- Santa Claus machine
- Sapient
- Science fiction western (genre)
- Sentience
- Sentient computer
- SF character
- SF character trope
- SF stock character
- SF theme
- Shkadov thruster
- The Singularity
- Skyhook
- Sleeper ship
- Slower than light
- SMOF
- Social engineering
- Soft science fiction (genre)
- Solution to Fermi's Paradox
- Sophont
- Space colonization
- Space colony
- Space elevator
- Space exploration
- Space habitat
- Space opera (genre)
- Space ship
- Space station
- Space travel
- Spaceship propulsion
- Spacesuit
- Stanford torus
- Star gate
- Starship
- Starwisp
- Stellar engine
- Strange science fiction (genre)
- Super-rational alien
- Superluminal
- Surface to orbit
